611116836 has 96 divisors (see below), whose sum is σ = 1650163200. Its totient is φ = 174078720.

The previous prime is 611116801. The next prime is 611116837. The reversal of 611116836 is 638611116.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 611116797 and 611116806.

It is not an unprimeable number, because it can be changed into a prime (611116837) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 347736 + ... + 349488.

It is an arithmetic number, because the mean of its divisors is an integer number (17189200).

Almost surely, 2^611116836 is an apocalyptic number.

611116836 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 611116836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (825081600).

611116836 is an abundant number, since it is smaller than the sum of its proper divisors (1039046364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

611116836 is a wasteful number, since it uses less digits than its factorization.

611116836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929 (or 1927 counting only the distinct ones).

The product of its digits is 5184, while the sum is 33.

The square root of 611116836 is about 24720.7774149601. Note that the first 3 decimals coincide. The cubic root of 611116836 is about 848.6098781858.

The spelling of 611116836 in words is "six hundred eleven million, one hundred sixteen thousand, eight hundred thirty-six".